The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 14, 2015
Filed:
May. 25, 2012
Gwénaël Doulin, Saint Euphemie, FR;
Pascal Hennemann, Claude, FR;
Dominique Rusconi, Bresilley, FR;
PROMENS SA, , FR;
Abstract
The invention relates to a device () for dispensing a pasty liquid material () by means of a low-pressure manual metering pump (), which is provided with an system for closing an end (), and which is intended for a rigid or flexible container (), the operation of said pump being ensured by: a lower check valve () and a metering chamber () which consists of a resiliently deformable bellows () and which is in communication with an upper valve () consisting of in series: a stopper () for the channel () of the spout (), which ensures that the end () is closed; a resiliently deformable diaphragm () enabling the stopper () to be opened; an auxiliary return member () suitable for the low pressures causing the closing of the stopper (); and a sealed vessel (), characterized in that the resiliently deformable diaphragm () is combined with the vessel () that said diaphragm seals, wherein the auxiliary return member () is arranged inside said vessel so as to be permanently linked to the diaphragm (), and said vessel includes two levels () that are resiliently deformable according to various characteristics.